/*
** $Id: ltm.h,v 2.6.1.1 2007/12/27 13:02:25 roberto Exp $
** Tag methods
** See Copyright Notice in lua.h
*/

#ifndef ltm_h
#define ltm_h


#include "lobject.h"


/*
* WARNING: if you change the order of this enumeration,
* grep "ORDER TM"
*/
typedef enum
{
    TM_INDEX,
    TM_NEWINDEX,
    TM_GC,
    TM_MODE,
    TM_EQ,  /* last tag method with `fast' access */
    TM_ADD,
    TM_SUB,
    TM_MUL,
    TM_DIV,
    TM_MOD,
    TM_POW,
    TM_UNM,
    TM_LEN,
    TM_LT,
    TM_LE,
    TM_CONCAT,
    TM_CALL,
    TM_N		/* number of elements in the enum */
} TMS;



#define gfasttm(g,et,e) ((et) == NULL ? NULL : \
  ((et)->flags & (1u<<(e))) ? NULL : luaT_gettm(et, e, (g)->tmname[e]))

#define fasttm(l,et,e)	gfasttm(G(l), et, e)

LUAI_DATA const char* const luaT_typenames[];


LUAI_FUNC const TValue* luaT_gettm(Table* events, TMS event, TString* ename);
LUAI_FUNC const TValue* luaT_gettmbyobj(lua_State* L, const TValue* o,
                                        TMS event);
LUAI_FUNC void luaT_init(lua_State* L);

#endif
